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SubjectRe: unaligned accesses in SLAB etc.
> > Hopefully, this should be a simply matter of doing a complete build
> > with gcc-4.9, then removing the object file we want to selectively
> > build with the older compiler and then going:
> >
> > make CC="gcc-4.6" arch/sparc/mm/init_64.o
> >
> > then relinking with plain 'make'.
> >
> > If the build system rebuilds the object file on you when you try
> > to relink the final kernel image, we'll have to do some of this
> > by hand to make the test.
>
> Unfortunately it starts a full rebuild with plain make after compiling
> some files with gcc-4.6 - detects CC change?

Figured out from make V=1 how to call gcc-4.6 directly, so far my
bisection shows that it one or probably more of arch/sparc/kernel/*.c
but probably more than 1 - 2 halfs of it both failed. Still bisecting.

--
Meelis Roos (mroos@linux.ee)


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